Development of 1000 arrays MKID camera for the CMB observation

Kenichi Karatsu; Masato Naruse; Tom Nitta; Masakazu Sekine; Yutaro Sekimoto; Takashi Noguchi; Yoshinori Uzawa; Hiroshi Matsuo; Hitoshi Kiuchi

doi:10.1117/12.925775

27 September 2012 Development of 1000 arrays MKID camera for the CMB observation

Kenichi Karatsu, Masato Naruse, Tom Nitta, Masakazu Sekine, Yutaro Sekimoto, Takashi Noguchi, Yoshinori Uzawa, Hiroshi Matsuo, Hitoshi Kiuchi

Author Affiliations +

Proceedings Volume 8452, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI; 84520Q (2012) https://doi.org/10.1117/12.925775
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

Abstract

A precise measurement of the Cosmic Microwave Background (CMB) provides us a wealth of information about early universe. LiteBIRD is a future satellite mission lead by High Energy Accelerator Research Organization (KEK) and its scientific target is detection of the B-mode polarization of the CMB, which is a footprint of primordial gravitational waves generated during inflation era, but has not been successfully observed so far due to lack of sensitivity. Microwave Kinetic Inductance Detector (MKID) is one candidate of sensitive millimeterwave camera which will be able to detect the B-mode polarization. We have been developing MKID at National Astronomical Observatory of Japan (NAOJ) in cooperation with KEK and RIKEN for the focal plane detector of the LiteBIRD. The developed technologies are: fabrication process of MKIDs with epitaxially-formed aluminum (Al) on silicon (Si) wafer; optical system of the camera consisting of double-slot antenna with Si lens array; and readout circuit utilizing Fast Fourier Transform Spectrometer (FFTS). With these technologies, we designed a prototype MKIDs camera for the LiteBIRD.

Citation Download Citation

Kenichi Karatsu, Masato Naruse, Tom Nitta, Masakazu Sekine, Yutaro Sekimoto, Takashi Noguchi, Yoshinori Uzawa, Hiroshi Matsuo, and Hitoshi Kiuchi "Development of 1000 arrays MKID camera for the CMB observation", Proc. SPIE 8452, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI, 84520Q (27 September 2012); https://doi.org/10.1117/12.925775

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